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    <title>RGraph: Javascript charts library - scatter charts</title>
    
    <meta name="keywords" content="rgraph html5 canvas example scatter chart" />
    <meta name="description" content="RGraph: Javascript charts library - Scatter charts example" />
    
    <meta property="og:title" content="RGraph: Javascript charts library" />
    <meta property="og:description" content="A charts library based on the HTML5 canvas tag" />
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    <script src="../libraries/RGraph.common.tooltips.js" ></script>
    <script src="../libraries/RGraph.scatter.js" ></script>
    <!--[if IE 8]><script src="../excanvas/excanvas.original.js"></script><![endif]-->

    <script>
        window.onload = function ()
        {

            var data = [
                     [10,15,'red'],[13,16,'red'],[12,11,'red'],[15,16,'red'],[20,19,'red'],[19,16,'red'],[13,15,'red'],[11,12,'red'],[13,16,'red'],[5,19,'red'],[16,15,'red'],[13,15,'red'],[14,14,'red'],[12,12,'red'],
                     [5,4,'green'],[6,14,'green'],[19,12,'green'],[3,5,'green'],[1,16,'green'],[13,5,'green'],[15,15,'green'],[13,5,'green'],[4,9,'green'],[16,6,'green'],[13,18,'green'],[18,12,'green'],[19,18,'green'],[13,16,'green'],[15,14,'green'],
                     [12,4,'blue'],[4,23,'blue'],[13,8,'blue'],[12,12,'blue'],[18,4,'blue'],[4,18,'blue'],[11,2,'blue'],[4,3,'blue'],[5,8,'blue'],[1,9,'blue'],[4,6,'blue'],[16,8,'blue'],[17,8,'blue'],[19,9,'blue'],[13,5,'blue'],[16,21,'blue'],
                     [12,4],[13,12],[11,16],[4,19],[4,3],[5,6],[1,9],[4,12],[6,12],[8,8],[16,6],[13,5],[15,13],[23,23,'red'], [1,1, 'gray'],
                     [1,4,'gray'], [2,3,'gray'], [1,6,'gray'], [2,3,'gray'], [2,5,'gray'], [3,7,'gray'], [1,4,'gray'], [2,7,'gray']
                    ];

            var scatter1 = new RGraph.Scatter('scatter1', data);
            scatter1.Set('chart.ylabels.count', 10);
            scatter1.Set('chart.background.hbars', [[0,null,'rgba(0,255,0,0.3)']]);
            scatter1.Set('chart.background.grid.autofit.numhlines', 10);
            scatter1.Set('chart.background.grid.autofit.numvlines', 28);
            scatter1.Set('chart.labels', [['Week 1', 0], ['Week 2', 7], ['Week 3', 14], ['Week 4', 21]]);
            scatter1.Set('chart.labels.specific.align', 'center');
            scatter1.Set('chart.xmax', 28); // Necessary
            scatter1.Set('chart.defaultcolor', 'black'); // Optional
            scatter1.Set('chart.title', 'This months sales');
            scatter1.Set('chart.gutter.left', 40);
            scatter1.Set('chart.tickmarks', 'square');
            scatter1.Set('chart.ticksize', 4);
            scatter1.Set('chart.ymax', 30);
            scatter1.Set('chart.units.pre', '$');
            scatter1.Set('chart.line.colors', ['red','blue','black']);
            scatter1.Set('chart.key', ['Bob','Fred','Gaz']);
            scatter1.Draw();

            
            
            var scatter2 = new RGraph.Scatter('scatter2', [
                                                       [10,[21,22,26,31,35, 'red', 'green'], 'rgba(0,0,0,0.5)'],
                                                       [25,[12,16,26,36,48, 'red', 'green'], 'rgba(0,0,0,0.5)'],
                                                       [90,[12,15,20,25,35, 'pink', 'pink'], 'rgba(0,0,0,0.5)'],
                                                       [105,[12,19,25,42,45, 'pink', 'pink'], 'rgba(0,0,0,0.5)'],
                                                       [125,[13,15,25,35,45, 'pink', 'pink'], 'rgba(0,0,0,0.5)'],
                                                       [325,[17,20,25,35,45, 'yellow', 'green', 30], 'rgba(0,0,0,0.5)'] // The last value is the width (in pixels)
                                                      ]);
            scatter2.Set('chart.boxplot.strokestyle', 'rgba(0,0,0,0.5)');
            scatter2.Set('chart.title', 'A Scatter chart boxplot');
            scatter2.Set('chart.tickmarks', null);
            scatter2.Set('chart.boxplot.capped', false);
            scatter2.Set('chart.labels', ['Q1', 'Q2', 'Q3', 'Q4']);
            scatter2.Set('chart.xmax', 365);
            scatter2.Set('chart.ymax', 50);
            scatter2.Set('chart.ymin', 10);
            scatter2.Set('chart.boxplot.width', 12); // The default width
            //scatter2.Set('chart.background.vbars', [[182.5, 91.125, 'rgba(0,255,0,0.5)']]);
            scatter2.Draw();
        }
    </script>
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<h1>RGraph: <span>Javascript charts library</span> - Scatter charts</h1>

    <script>
        if (RGraph.isIE8()) {
            document.write('<div style="background-color: #fee; border: 2px dashed red; padding: 5px"><b>Important</b><br /><br /> Internet Explorer 8 does not natively support the HTML5 canvas tag, so if you want to see the charts, you can either:<ul><li>Install <a href="http://code.google.com/chrome/chromeframe/">Google Chrome Frame</a></li><li>Use ExCanvas. This is provided in the RGraph Archive.</li><li>Use another browser entirely. Your choices are Firefox 3.5+, Chrome 2+, Safari 4+ or Opera 10.5+. </li></ul> <b>Note:</b> Internet Explorer 9 fully supports the canvas tag.</div>');
        }
    </script>
    
    <p>
        Scatter charts use two variables to plot points and makes it clear where there are congregations. The data points
        make up the X and Y coordinates. The labels on the X axis are separate from the X units, allowing you to "group" them. For
        example, like the example, you could set the maxium X value to be 365, but only have four labels. That way you would
        have a granularity of a day, but the X axis would only have four labels. Like the example.
    </p>

    <div>
        <ul>
            <li><a href="../docs/scatter.html">Scatter charts API documentation</a></li>
        </ul>
    </div>

    <canvas id="scatter1" width="450" height="200">[No canvas support]</canvas>
    <canvas id="scatter2" width="450" height="200">[No canvas support]</canvas>

    
    
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